//用json封装localStorage
const storage=window.localStorage
const set=(key,value)=>{
  storage.setItem(key,JSON.stringify(value))
}
const get=(key)=>{
  return JSON.parse(storage.getItem(key))
}
const remove=(key)=>{
  storage.removeItem(key)
}
const clear=()=>{ 
  storage.clear()
}
export {set,get,remove,clear}